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Bacteria are a large domain of single-celled, prokaryote microorganisms. Typically a few micrometres in length, bacteria have a wide range of shapes, ranging from spheres to rods and spirals.

Asked in Infectious Diseases, Microbiology, Bacteria

What would be the appearance of the gram positive bacterium if you forget to counterstain with safranin?

If you forget to counter stain color of Gram positive would be violet or blue . The above answer is good. Here is why the above answer is good. Yes it would still be Violet or blue. Gram positive bacteria are gram positive, because it holds onto the crystal violet stain that washes out of gram negative bacteria. Counterstaining with safranian turns gram negative bacteria pink to red only because the crystal violet has washed out of the gram negative. The lighter safranian has...
Asked in Biology, Protists, Bacteria, Microscopes

How does staphylococcus move?

There are different types of staph infections the cause many illnesses. A mild case of the bacterial infection is passed along by personal contact causing skin infections. a more serious, but rare case, is when the bacteria enters the body through a break in the skin. It moves to the bloodstream infecting organs, joints or the nervous system. Answer 2 Staphylococcus don't move as they lack flagella , they drift . ...
Asked in Biology, Microbiology, Bacteria

How does heat affect the gram stain result?

In what regard? You need heat in order to heat fix the bacterial cells to the slide. This adheres cells to the slide. Otherwise, the bacterial cells would wash off the slide during the Gram staining process. If you leave the slide in the Bunsen burner too long, then you can distort the bacterial cell shape and size and also have other artifacts appear on the slide that are not bacterial cells. ...
Asked in Biology, Microbiology, Bacteria

Is bacteria a primary producer?

No, it's most likely a decomposer but cyanobacteria are primary producers as they possess chlorophyll . ...
Asked in Microbiology, Botany or Plant Biology, Bacteria

How does bleach affect bacterial growth?

It totally abolishes it by killing the bacteria.
Asked in Bacteria

What pathogen causes gonorrhea?

Gonorrhea is a contagious, purulent inflammation of the urethra or the vagina, caused by a bacterial pathogen called Neisseria gonorrhea. Neisseria is a diplococcus that likes mucus membranes. It wasn't until 1879 that gonorrhea was discovered by Albert Neisser. ...
Asked in Biology, Bacteria, Cell Biology (cytology)

What is the name for a cell without a nucleus?

Prokaryotic cells . RBC of mammals and Sieve tube cells of plants .
Asked in Health, Sanitization and Germs, Bacteria

What is indirect contamination and give an example?

Indirect contamination is the opposite of direct of contamination which does not need to do direct contact to be contaminated. An example of this is a person with HIV/AIDS who shares needles with another person that has no HIV/AIDS. These two people did not have any direct contact with each other, but sharing needles with HIV/AIDS or any types of diseases is an example of indirect contamination which could lead the healthy person to also get the HIV/AIDS. ...
Asked in Biology, Microbiology, Bacteria

Names of unicellular organisms?

Euglena , Paramecium , E. coli , Chlamydomonas , Trypanosoma , Plasmodium . ...
Asked in Bacteria

Is bacillus stearothermophilus a thermophile?

Yes, it typically favors environments at about 60 degrees Celsius.
Asked in Biology, Protists, Bacteria, Viruses (biological)

What enzyme protein is used to copy DNA?

The enzyme DNA polymerase is what facilitates the replication of DNA, however there are multiple enzymes that aid the process of DNA replication such as helicase, ligase, and exonuclease. ...
Asked in Science, Bacteria

What does flagellum for bacteria do?

Flagella are small tails attached to cells, usually of single-celled organisms. They help, quite simply, with movement. ...
Asked in Bacteria

Where are Mycoplasma found?

Mycoplasma are found most often on the surfaces of mucous membranes
Asked in Biology, Chemistry, Bacteria

What does the nucleus do?

The nucleus stores the cell's DNA and RNA. It is the central brain system of the cell. It basically runs the cell's primary processes. ...
Asked in Bacteria

What does affiliation mean in scientific abstracts?

It means "where the person in question works, teaches, or goes to school." ...
Asked in Biology, Ecology and Bionomics, Bacteria

The most common living bacteria today are what?

it is the Bactria that changes shape
Asked in Biology, Microbiology, Bacteria

How do you test for Enterococcus faecalis?

To diagnose Enterococcus faecalis: (Facultative anaerobic) First, do the Gram stain: Gram positive cocci in chains catalase test: negative PYR disc: positive ...
Asked in Bacteria

How does group B streptococcus infection present in mothers?

In women, GBS can cause vaginitis and urinary tract infections.
Asked in Bacteria

Can mycoplasma reproduce?

Unlike viruses, mycoplasma can reproduce outside of living cells
Asked in Bacteria

Is zest soap anti bacterial?

No it is not.
Asked in Infectious Diseases, Microbiology, Bacteria

What bacteria or fungi will alcohol kill?

Answer Alcohol (of at least a 60% solution) will kill all fungi, 99.9% of bacteria and many viruses, but does not kill spores. ANSWER: It doesn't kill as well as you would think it should on skin. It will however sweep it from one place on the skin to another. When you go to give blood, the nurse starts with an alcohol prep pad and makes a circle with it going outwards. This is because alcohol is not a sterilizer. Use Betadine on...